Botany

What makes a tree the best choice for your landscape? There are many factors to consider when selecting a tree: lifespan, shade, form, evergreen, flowers, etc. Learn about many underappreciated tree varieties, and how to plant and care for your special tree. Presented by Pima County Master Gardeners from the University of Arizona Cooperative Extension...

All cacti are succulents, but not all succulents are cacti! Succulents come in a wide variety of shapes, sizes, and colors – perfect for desert landscapes. Our desert horticulture expert...